LXR uboot/include/asm-microblaze/global

   1/*
   2 * (C) Copyright 2004 Atmark Techno, Inc.
   3 *
   4 * Yasushi SHOJI <yashi@atmark-techno.com>
   5 *
   6 * See file CREDITS for list of people who contributed to this
   7 * project.
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License as
  11 * published by the Free Software Foundation; either version 2 of
  12 * the License, or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22 * MA 02111-1307 USA
  23 */
  24
  25#ifndef __ASM_GBL_DATA_H
  26#define __ASM_GBL_DATA_H
  27/*
  28 * The following data structure is placed in some memory wich is
  29 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
  30 * some locked parts of the data cache) to allow for a minimum set of
  31 * global variables during system initialization (until we have set
  32 * up the memory controller so that we can use RAM).
  33 *
  34 * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
  35 */
  36
  37typedef struct  global_data {
  38        bd_t            *bd;
  39        unsigned long   flags;
  40        unsigned long   baudrate;
  41        unsigned long   have_console;   /* serial_init() was called */
  42        unsigned long   reloc_off;      /* Relocation Offset */
  43        unsigned long   env_addr;       /* Address  of Environment struct */
  44        unsigned long   env_valid;      /* Checksum of Environment valid? */
  45        unsigned long   fb_base;        /* base address of frame buffer */
  46        void            **jt;           /* jump table */
  47} gd_t;
  48
  49/*
  50 * Global Data Flags
  51 */
  52#define GD_FLG_RELOC    0x00001         /* Code was relocated to RAM            */
  53#define GD_FLG_DEVINIT  0x00002         /* Devices have been initialized        */
  54#define GD_FLG_SILENT   0x00004         /* Silent mode                          */
  55#define GD_FLG_POSTFAIL 0x00008         /* Critical POST test failed            */
  56#define GD_FLG_POSTSTOP 0x00010         /* POST seqeunce aborted                */
  57#define GD_FLG_LOGINIT  0x00020         /* Log Buffer has been initialized      */
  58#define GD_FLG_DISABLE_CONSOLE  0x00040         /* Disable console (in & out)    */
  59
  60#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r31")
  61
  62#endif /* __ASM_GBL_DATA_H */
  63